package _嗖嗖移动大厅2_0.A3_0;

public class MyException extends RuntimeException {
    public MyException(){
        super();
    }
    public MyException(String a){
        super(a);
    }
}

class aa{
    private  int a;
    public void a(int a) throws Exception{
        if (a>0){
            this.a=a;
        }else {
            throw new MyException("本次已通话");
        }
    }
}
